291222020

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{53731}}^1$

素因数の和:54011

約数の個数: 24

約数和(自身を含む): 613834368

約数和(自身を除く): 322612348

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 53731, 107462, 214924, 268655, 537310, 1074620, 14561101, 29122202, 58244404, 72805505, 145611010, 291222020]

約数ペア:

[(1, 291222020), (2, 145611010), (4, 72805505), (5, 58244404), (10, 29122202), (20, 14561101), (271, 1074620), (542, 537310), (1084, 268655), (1355, 214924), (2710, 107462), (5420, 53731)]